// --------------------------------------// i2c_scanner//// This program (or code that looks like it)// can be found in many places.// For example on the Arduino.cc forum.// The original author is not know.//// This sketch tests the standard 7-bit addresses// from 0 to 127. Devices with higher bit address// might not be seen properly.//// Adapted to be as simple as possible by Arduino.cc user Krodal//// June 2012// Using Arduino 1.0.1//

Scanning...I2C device found at address 0x20 !I2C device found at address 0x22 !I2C device found at address 0x38 !I2C device found at address 0x39 !I2C device found at address 0x3C !I2C device found at address 0x3D !I2C device found at address 0x48 !I2C device found at address 0x4A !done